From dbd9d73eaf98101ea65fd8dc4a0f4e010b31dced Mon Sep 17 00:00:00 2001
From: aler9 <46489434+aler9@users.noreply.github.com>
Date: Fri, 26 Apr 2024 19:34:56 +0200
Subject: [PATCH] h264: support 4K videos encoded with tune=zerolatency
 (https://github.com/bluenviron/mediamtx/issues/2985)

---
 pkg/codecs/h264/h264.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkg/codecs/h264/h264.go b/pkg/codecs/h264/h264.go
index c3352c0..aea9593 100644
--- a/pkg/codecs/h264/h264.go
+++ b/pkg/codecs/h264/h264.go
@@ -7,5 +7,6 @@ const (
 	MaxAccessUnitSize = 8 * 1024 * 1024
 
 	// MaxNALUsPerAccessUnit is the maximum number of NALUs per access unit.
-	MaxNALUsPerAccessUnit = 21
+	// with x264, tune=zerolatency and 4K resolution, NALU count is lower than 25.
+	MaxNALUsPerAccessUnit = 25
 )